[NSRCA-discussion] 120 AC issues

[Courtney, Gary Ray]

30% heli fuel or a ys blend?? simple but important ?
 
gary

________________________________

From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Stuart
Chale
Sent: Sunday, July 13, 2008 9:54 AM
To: General pattern discussion
Subject: Re: [NSRCA-discussion] 120 AC issues


Sure I just get upstairs after pulling the motor apart again and
swapping out the cylinder liner for one from another motor.  Looked
almost new no burn marks but my son is getting frustrated with little
flying time each time at the field so I changed it just in case.  Put
both motors back together reinstalled the motor in the plane.  Found a
new muffler in the box, put that on.  Only to find that I should have
changed the front bearing as well :)
Can you be a little quicker next time Ron?  :)
If this doesn't work next time the bearing and anything else suggested.
Bearings feel fine though.  Engine was really almost new.  Not even much
carbon or varnish at the valves.
Thanks,
Stu

ronclark51 at comcast.net wrote: 

	Stuart,
	I've had the same problem before. It was the front bearing. The
bearing heats up the front of the motor, then the regulator, vaporizing
the fuel. Better known as vapor lock.
	 
	Ron.....................
	 

		-------------- Original message -------------- 
		From: Stuart Chale <schale at optonline.net>
<mailto:schale at optonline.net>  
		I wouldn't have thought about the pipe.  I should have
another.
		Thanks,
		Stuart
		
		RUDDERCABL at aol.com wrote: 

			
			In a message dated 7/12/2008 11:33:24 PM Eastern
Daylight Time, schale at optonline.net writes:

				I'll have to pull it a part again and
see if I see anything with the sleeve.
				Anyone else have any thoughts?
				Thanks,
				Stu
				

			Sure do.
			 
			Try a different pipe. I know a flyer who had
this same problem some years ago, not with an AC though. He tried
everything and the problem kept hounding him. Turned out that the pipe
was plugging up when it heated up and restricting the exhuast flow. 
			 
			Robert



			
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Subject: 
Re: [NSRCA-discussion] 120 AC issues
From: 
Stuart Chale <schale at optonline.net> <mailto:schale at optonline.net> 
Date: 
Sun, 13 Jul 2008 12:51:04 +0000
To: 
General pattern discussion <nsrca-discussion at lists.nsrca.org>
<mailto:nsrca-discussion at lists.nsrca.org> 
To: 
General pattern discussion <nsrca-discussion at lists.nsrca.org>
<mailto:nsrca-discussion at lists.nsrca.org> 

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